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Sync

A module that provides a two-phase lock with a counter.

Installation

Add this line to your application's Gemfile:

gem 'sync'

And then execute:

$ bundle

Or install it yourself as:

$ gem install sync

Usage

Sync_m, Synchronizer_m

obj.extend(Sync_m)

or

class Foo
    include Sync_m
    :
end
Sync_m#sync_mode
Sync_m#sync_locked?, locked?
Sync_m#sync_shared?, shared?
Sync_m#sync_exclusive?, sync_exclusive?
Sync_m#sync_try_lock, try_lock
Sync_m#sync_lock, lock
Sync_m#sync_unlock, unlock

Sync, Synchronizer:

sync = Sync.new
Sync#mode
Sync#locked?
Sync#shared?
Sync#exclusive?
Sync#try_lock(mode) -- mode = :EX, :SH, :UN
Sync#lock(mode)     -- mode = :EX, :SH, :UN
Sync#unlock
Sync#synchronize(mode) {...}

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/sync.

License

The gem is available as open source under the terms of the 2-Clause BSD License.

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A module that provides a two-phase lock with a counter

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